Firth zipcode
| City | Firth |
| ZIP Code | 83236 |
| Type | Standard |
| State Code | ID |
| State | Idaho |
ZIP code of Firth is 83236. This place is located in Idaho state in US. To send any postal service to Firth, you must use 83236 zipcode.
You should avoid following 2 city names of Idaho to be used with the ZIP code 83236.
- Kimball, ID
- Lower Presto, ID